title: [Illness among members of health insurance and their family in 1949].
mesh_terms: D001699:Biometry; D003141:Communicable Diseases / Q000453:epidemiology* / Q000706:statistics & numerical data*; D007348:Insurance, Health
keywords: COMMUNICABLE DISEASES/epidemiology and statistics
vernacular_title: Zapadalnose wśród ubezpieczonych i członków ich rodzin w roku 1949.